s an antidepressant of a different category than
Lexapro -- and sedation is an unwanted
side effect many people experience taking it. Many drugs used for sleep sedate people as an unwanted side effect of the primary purpose of the drug. Once a drug is approved, doctors are allowed to prescribe them for any purpose they want to, and although drug marketers aren't allowed to market them for unapproved purposes, well, look up Seroquel if you want to learn how that actually works out.